Hillary Clinton, a democratic front runner will bring her biggest weapon so far, her husband and former U.S. president, Bill Clinton.

The charming, former president will join Hillary Clinton on her campaign although Bill’s presidency is still tied up to a scandal that draws the resentment of the Republicans and brought Hillary a high unfavorable ratings in national polls, he remains broadly popular and adored by the party faithful.

It will be a three-day campaign at Iowa where Hillary got a struggling vote.This will be the first ever that campaign trail where Bill and Hillary share a stage.